If you can't code your own <whatever> are you really the intended user of the customizable Linux desktop? /s But if there's no standard for it supported by at

If you can't code your own <whatever> are you really the intended user of the customizable Linux desktop? /s But if there's no standard for it supported by at least Qt and GTK+ then you can't expect it to "just work". Even then you'd get the apps that use some other toolkit that doesn't work.